US2684692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise eliminator for fluid systems
Assignee: Old Carco LLC
•
Filing: 1950-08-17
•
Granted: 1954-07-27
•
Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 William A Hunter
- 👤 Walter P Cousino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:36
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/062; Y; Y10; Y10T; Y10T137/00; Y10T137/9029; Y10T137/9138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB231112A
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GB253307A
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FR711203A
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US2163892A
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US2170890A
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US2261028A
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US2261948A
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FR878805A
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US2402449A
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US2417701A
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US2477436A
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US2603065A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |